1 package test.net.sourceforge.pmd.rules;
2
3 import net.sourceforge.pmd.PMD;
4 import net.sourceforge.pmd.Rule;
5 import net.sourceforge.pmd.RuleSetNotFoundException;
6 import test.net.sourceforge.pmd.testframework.SimpleAggregatorTst;
7 import test.net.sourceforge.pmd.testframework.TestDescriptor;
8
9 public class ClassCastExceptionWithToArrayTest extends SimpleAggregatorTst {
10
11 private Rule rule;
12
13 public void setUp() throws RuleSetNotFoundException {
14 rule = findRule("basic", "ClassCastExceptionWithToArray");
15 }
16
17 public void testAll() {
18 runTests(new TestDescriptor[]{
19 new TestDescriptor(TEST1, "bad, toArray() with cast", 1, rule),
20 new TestDescriptor(TEST2, "ok, no cast", 0, rule),
21 });
22 }
23
24 private static final String TEST1 =
25 "public class Foo {" + PMD.EOL +
26 " void bar() {" + PMD.EOL +
27 " Collection c = new ArrayList();" + PMD.EOL +
28 " c.add(new Integer(1));" + PMD.EOL +
29 " Integer[] a=(Integer [])c.toArray();" + PMD.EOL +
30 " }" + PMD.EOL +
31 "}";
32
33 private static final String TEST2 =
34 "public class Foo {" + PMD.EOL +
35 " void bar() {" + PMD.EOL +
36 " Collection c = new ArrayList();" + PMD.EOL +
37 " c.add(new Integer(1));" + PMD.EOL +
38 " Integer[] a = (Integer [])c.toArray(new Integer[c.size()]);;" + PMD.EOL +
39 " }" + PMD.EOL +
40 "}";
41 }